diff --git a/demo/build.gradle b/demo-java/build.gradle
similarity index 100%
rename from demo/build.gradle
rename to demo-java/build.gradle
diff --git a/demo/src/SelectRandomFromRange.java b/demo-java/src/SelectRandomFromRange.java
similarity index 100%
rename from demo/src/SelectRandomFromRange.java
rename to demo-java/src/SelectRandomFromRange.java
diff --git a/demo/src/SelectRandomFromStreamX.java b/demo-java/src/SelectRandomFromStreamX.java
similarity index 100%
rename from demo/src/SelectRandomFromStreamX.java
rename to demo-java/src/SelectRandomFromStreamX.java
diff --git a/demo/src/SelectRandomFromStreamZ.java b/demo-java/src/SelectRandomFromStreamZ.java
similarity index 100%
rename from demo/src/SelectRandomFromStreamZ.java
rename to demo-java/src/SelectRandomFromStreamZ.java
diff --git a/demo/src/SelectWeightedFromVocabulary.java b/demo-java/src/SelectWeightedFromVocabulary.java
similarity index 100%
rename from demo/src/SelectWeightedFromVocabulary.java
rename to demo-java/src/SelectWeightedFromVocabulary.java
diff --git a/demo/src/UnweightedStream.java b/demo-java/src/UnweightedStream.java
similarity index 100%
rename from demo/src/UnweightedStream.java
rename to demo-java/src/UnweightedStream.java
diff --git a/demo/src/WeightedStream.java b/demo-java/src/WeightedStream.java
similarity index 100%
rename from demo/src/WeightedStream.java
rename to demo-java/src/WeightedStream.java
diff --git a/settings.gradle b/settings.gradle
index 81b39a2..54709e6 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,2 +1,2 @@
 rootProject.name = 'random-sampling'
-include 'demo', 'demo-scala'
+include 'demo-java', 'demo-scala'